File Specific Analysis- Media (Images, Audio and Video)
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    File Specific Analysis- Media (Images, Audio and Video)

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    Article summary

    File Specific Analysis - GIF

    gw:DocumentSummary

    NodeName Description

    gw:TotalSizeInBytes

    The size of the file passed in for processing

    gw:FileType

    “gif”, passed in through the Glasswall API

    gw:Version

    Read from the document’s Data Stream Header

    gw:ContentGroups

    NodeName Description

    GIF Colourtable

    Utilised to render raster-based graphics

    GIF Extension Block Application

    XMP

    Data consisting of XMP (Extensible Metadata Platform)

    packets

    GIF Extension Block Application

    Application identifier

    GIF Extension Block

    Control, graphic-rendering and special purpose blocks

    GIF Image Descriptor

    Contains parameters to process a table based image

    GIF Local Colour Table

    Associated with graphics that immediately follows. Supersedes global colour table

    GIF Logical Screen Descriptor

    Parameters defining area of display device

    GIF Table Based Image Data

    Image data for a table based image

    File Specific Analysis - JPEG

    gw:DocumentSummary

    NodeName Description

    gw:TotalSizeInBytes

    The size of the file passed in for processing

    gw:FileType

    “jpg”, passed in through the Glasswall API

    gw:Version

    Not applicable for this document type.

    gw:ContentGroups

    NodeName Description

    JPEGFileSectionMarker

    SOI, EOI

    JPEGFrameData

    Captures document information associated with Start of Frame markers SOF0..SOF15

    JPEGProcessData

    Captures document processing markers DAC, DHT, DQT, DNL, DRI, DHP, EXP, APPn, JPGn, COM, TEM, RES

    JPEGScanData

    Captures scan marker information SOS, DRI, RSTm

    File Specific Analysis - PNG

    gw:DocumentSummary

    NodeName Description

    gw:TotalSizeInBytes

    The size of the file passed in for processing

    gw:FileType

    “png”, passed in through the Glasswall API

    gw:Version

    Not applicable for this document type.

    gw:ContentGroups

    NodeName Description

    BKGD

    Miscellaneous information - background colour

    CHRM

    Colour space information

    CMPP

    Private chunk

    FRAC

    Fractal parameters

    GAMA

    Colour space information

    GIFG

    GIF conversion information

    GIFX

    GIF conversion information

    HIST

    Miscellaneous information - histogram

    ICCP

    Colour space information

    IDAT

    Image data chunk

    IEND

    Image trailer, which is the last chunk in a PNG stream

    IHDR

    Image header

    MKBF

    Private chunk

    MKBS

    Private chunk

    MKBT

    Private chunk

    MKTS

    Private chunk

    OFFS

    Image offset

    PCAL

    Pixel calibration

    PHYS

    Miscellaneous information - physical pixel dimension

    PLTE

    Palette table associated with indexed

    PNG

    images

    PRVW

    Private chunk

    SBIT

    Colour space information - significant bits

    SCAL

    Physical scale

    SPLT

    Miscellaneous information - suggested palette

    SRGB

    Colour space information

    TEXT

    Textual information - Latin 1 text annotations

    TIME

    Time stamp information

    TRNS

    Transparency information

    ZTXT

    Textual information - Latin 1 text annotations

    File Specific Analysis - EMF

    gw:DocumentSummary

    NodeName Description

    gw:TotalSizeInBytes

    The size of the file passed in for processing

    gw:FileType

    “emf", passed in through the Glasswall API

    gw:Version

    Read from the document’s appropriate stream

    gw:ContentGroups

    NodeName Description

    Version

    Version information

    Bitmaps

    EMF Bitmaps Instances

    Clippings

    EMF Clippings Instances

    Comments

    EMF Comments Instance

    File Properties

    EMF File Property Instances

    Drawings

    EMF Drawings Instances

    Escape Functions

    EMF Escape Functions Instances

    Graphics Object Creation

    EMF Graphics Object Creation Instances

    Graphics Objects Manipulation

    EMF Graphics Objects Manipulation Instances

    OpenGL Functions

    EMF OpenGL Functions Instances

    State Definitions

    EMF State Definitions Instances

    Image Transformations

    EMF Image Transformations Instances

    Graphics Objects

    EMF Graphics Objects Instances

    Path Records

    EMF Path Records Instances

    Common Types

    EMF Common Types Instances

    Graphics Objects

    EMF Plus Graphics Objects Instances

    Common

    EMF Plus Common Instances

    Image Effects

    EMF Plus Image Effects Instances

    Clippings

    EMF Plus Clippings Instances

    Comments

    EMF Plus Comments Instances

    File Control

    EMF Plus File Control Instances

    Drawings

    EMF Plus Drawings Instances

    Graphics Properties

    EMF Plus Graphics Properties Instances

    State Definitions

    EMF Plus State Definitions Instances

    Terminal Servers

    EMF Plus Terminal Servers Instances

    Image Transformations

    EMF Plus Image Transformations Instances

    File Specific Analysis - WMF

    gw:DocumentSummary

    NodeName Description

    gw:TotalSizeInBytes

    The size of the file passed in for processing

    gw:FileType

    “wmf", passed in through the Glasswall API

    gw:Version

    Read from the document’s appropriate stream

    gw:ContentGroups

    NodeName Description

    Structure Instances

    WMF Document File Structure Instances

    Version

    WMF Document Version Instances

    Common Types

    WMF Document Common Types

    Bitmap Types

    WMF Document Bitmap Types

    File Control

    WMF Document File Control Types

    Drawings

    WMF Document Drawings Instances

    Graphics Objects Creation

    WMF Document Graphics Objects Creation Instances

    Graphics Objects Manipulation

    WMF Document Graphics Object Manipulation Instances

    Graphics Objects

    WMF Document Graphics Objects Instances

    State Definitions

    WMF Document State Definitions Instances

    Escape Functions

    WMF Document Escape Functions Instances

    File Specific Analysis - BMP

    gw:ContentGroups

    NodeName Description

    TBD

     

    File Specific Analysis - TIFF

    gw:ContentGroups

    NodeName Description



    TBD

     

    File Specific Analysis - MPG

    gw:ContentGroups

    NodeName Description

    TBD

     

    File Specific Analysis - WAV

    gw:ContentGroups

    NodeName Description

    TBD

     

    File Specific Analysis - MP3

    gw:ContentGroups

    NodeName Description

    TBD

     

    File Specific Analysis - MP4

    gw:ContentGroups

    NodeName Description

    TBD

     


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